/* w_update.c
 *
 * Micropolis, Unix Version.  This game was released for the Unix platform
 * in or about 1990 and has been modified for inclusion in the One Laptop
 * Per Child program.  Copyright (C) 1989 - 2007 Electronic Arts Inc.  If
 * you need assistance with this program, you may contact:
 *   http://wiki.laptop.org/go/Micropolis  or email  micropolis@laptop.org.
 * 
 * This program is free software: you can redistribute it and/or modify
 * it under the terms of the GNU General Public License as published by
 * the Free Software Foundation, either version 3 of the License, or (at
 * your option) any later version.
 * 
 * This program is distributed in the hope that it will be useful, but
 * WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
 * General Public License for more details.  You should have received a
 * copy of the GNU General Public License along with this program.  If
 * not, see <http://www.gnu.org/licenses/>.
 * 
 *             ADDITIONAL TERMS per GNU GPL Section 7
 * 
 * No trademark or publicity rights are granted.  This license does NOT
 * give you any right, title or interest in the trademark SimCity or any
 * other Electronic Arts trademark.  You may not distribute any
 * modification of this program using the trademark SimCity or claim any
 * affliation or association with Electronic Arts Inc. or its employees.
 * 
 * Any propagation or conveyance of this program must include this
 * copyright notice and these terms.
 * 
 * If you convey this program (or any modifications of it) and assume
 * contractual liability for the program to recipients of it, you agree
 * to indemnify Electronic Arts for any liability that those contractual
 * assumptions impose on Electronic Arts.
 * 
 * You may not misrepresent the origins of this program; modified
 * versions of the program must be marked as such and not identified as
 * the original program.
 * 
 * This disclaimer supplements the one included in the General Public
 * License.  TO THE FULLEST EXTENT PERMISSIBLE UNDER APPLICABLE LAW, THIS
 * PROGRAM IS PROVIDED TO YOU "AS IS," WITH ALL FAULTS, WITHOUT WARRANTY
 * OF ANY KIND, AND YOUR USE IS AT YOUR SOLE RISK.  THE ENTIRE RISK OF
 * SATISFACTORY QUALITY AND PERFORMANCE RESIDES WITH YOU.  ELECTRONIC ARTS
 * DISCLAIMS ANY AND ALL EXPRESS, IMPLIED OR STATUTORY WARRANTIES,
 * INCLUDING IMPLIED WARRANTIES OF MERCHANTABILITY, SATISFACTORY QUALITY,
 * FITNESS FOR A PARTICULAR PURPOSE, NONINFRINGEMENT OF THIRD PARTY
 * RIGHTS, AND WARRANTIES (IF ANY) ARISING FROM A COURSE OF DEALING,
 * USAGE, OR TRADE PRACTICE.  ELECTRONIC ARTS DOES NOT WARRANT AGAINST
 * INTERFERENCE WITH YOUR ENJOYMENT OF THE PROGRAM; THAT THE PROGRAM WILL
 * MEET YOUR REQUIREMENTS; THAT OPERATION OF THE PROGRAM WILL BE
 * UNINTERRUPTED OR ERROR-FREE, OR THAT THE PROGRAM WILL BE COMPATIBLE
 * WITH THIRD PARTY SOFTWARE OR THAT ANY ERRORS IN THE PROGRAM WILL BE
 * CORRECTED.  NO ORAL OR WRITTEN ADVICE PROVIDED BY ELECTRONIC ARTS OR
 * ANY AUTHORIZED REPRESENTATIVE SHALL CREATE A WARRANTY.  SOME
 * JURISDICTIONS DO NOT ALLOW THE EXCLUSION OF OR LIMITATIONS ON IMPLIED
 * WARRANTIES OR THE LIMITATIONS ON THE APPLICABLE STATUTORY RIGHTS OF A
 * CONSUMER, SO SOME OR ALL OF THE ABOVE EXCLUSIONS AND LIMITATIONS MAY
 * NOT APPLY TO YOU.
 */
#include "sim.h"

short MustUpdateFunds;
short MustUpdateOptions;
QUAD LastCityTime;
QUAD LastCityYear;
QUAD LastCityMonth;
QUAD LastFunds;
QUAD LastR, LastC, LastI;

void UpdateOptionsMenu(int options);
void updateOptions(void);
void SetDemand(double r, double c, double i);
void drawValve(void);
void showValves(void);
void updateDate(void);
void ReallyUpdateFunds(void);

char *dateStr[12] = {
    "Jan", "Feb", "Mar", "Apr", "May", "Jun",
    "Jul", "Aug", "Sep", "Oct", "Nov", "Dec"
};

void DoUpdateHeads(void)
{
    showValves();
    doTimeStuff();
    ReallyUpdateFunds();
    updateOptions();
}

void UpdateEditors(void)
{
    InvalidateEditors();
    DoUpdateHeads();
}

void UpdateMaps(void)
{
    InvalidateMaps();
}

void UpdateGraphs(void)
{
    ChangeCensus();
}

void UpdateEvaluation(void)
{
    ChangeEval();
}

void UpdateHeads(void)
{
    MustUpdateFunds = ValveFlag = 1;
    LastCityTime = LastCityYear = LastCityMonth = LastFunds = LastR = -999999;
    DoUpdateHeads();
}

void UpdateFunds(void)
{
    MustUpdateFunds = 1;
//  Kick();
}

void ReallyUpdateFunds(void)
{
    char localStr[256], dollarStr[256], buf[256];

    if(!MustUpdateFunds)
        return;

    MustUpdateFunds = 0;

    if(TotalFunds < 0)
        TotalFunds = 0;

    if(TotalFunds != LastFunds)
    {
        LastFunds = TotalFunds;
        sprintf(localStr, "%ld", TotalFunds);
        makeDollarDecimalStr(localStr, dollarStr);

        sprintf(localStr, "Funds: %s", dollarStr);

        sprintf(buf, "UISetFunds {%s}", localStr);
        Eval(buf);
    }
}

void doTimeStuff(void)
{
//  if ((CityTime >> 2) != LastCityTime) {
    updateDate();
//  }
}

void updateDate(void)
{
    int y;
    int m;
    char str[256], buf[256];
    int megalinium = 1000000;

    LastCityTime = CityTime >> 2;

    y = ((int) CityTime / 48) + (int) StartingYear;
    m = ((int) CityTime % 48) >> 2;

    if(y >= megalinium)
    {
        SetYear(StartingYear);
        y = StartingYear;
        SendMes(-40);
    }

    doMessage();

    if((LastCityYear != y) || (LastCityMonth != m))
    {

        LastCityYear = y;
        LastCityMonth = m;

        sprintf(str, "%s %d", dateStr[m], y);

        sprintf(buf, "UISetDate {%s} %d %d", str, m, y);
        Eval(buf);
    }
}

void showValves(void)
{
    if(ValveFlag)
    {
        drawValve();
        ValveFlag = 0;
    }
}

void drawValve(void)
{
    double r, c, i;

    r = RValve;
    if(r < -1500)
        r = -1500;
    if(r > 1500)
        r = 1500;

    c = CValve;
    if(c < -1500)
        c = -1500;
    if(c > 1500)
        c = 1500;

    i = IValve;
    if(i < -1500)
        i = -1500;
    if(i > 1500)
        i = 1500;

    if((r != LastR) || (c != LastC) || (i != LastI))
    {
        LastR = r;
        LastC = c;
        LastI = i;
        SetDemand(r, c, i);
    }
}

void SetDemand(double r, double c, double i)
{
    char buf[256];

    sprintf(buf, "UISetDemand %d %d %d", (int) (r / 100), (int) (c / 100), (int) (i / 100));
    Eval(buf);
}

void updateOptions(void)
{
    int options;

    if(MustUpdateOptions)
    {
        options = 0;
        if(autoBudget)
            options |= 1;
        if(autoGo)
            options |= 2;
        if(autoBulldoze)
            options |= 4;
        if(UserSoundOn)
            options |= 16;
        if(DoAnimation)
            options |= 32;
        if(DoMessages)
            options |= 64;
        if(DoNotices)
            options |= 128;

        MustUpdateOptions = 0;
        UpdateOptionsMenu(options);
    }
}

void UpdateOptionsMenu(int options)
{
    char buf[256];

    sprintf(buf, "UISetOptions %d %d %d %d %d %d %d %d",
            (options & 1) ? 1 : 0, (options & 2) ? 1 : 0,
            (options & 4) ? 1 : 0, (options & 8) ? 1 : 0,
            (options & 16) ? 1 : 0, (options & 32) ? 1 : 0, (options & 64) ? 1 : 0, (options & 128) ? 1 : 0);
    Eval(buf);
}
